package com.example.tests;

import static org.hamcrest.Matchers.equalTo;
import static org.junit.Assert.assertThat;
import java.util.Random;

import org.testng.annotations.Test;

import com.example.utils.SortedListOf;

public class ContactModificationTests extends TestBase{

	 @Test(dataProvider = "randomValidContactGenerator")
	  public void editContact(ContactData contact) throws Exception {	
	    // save old state
		SortedListOf<ContactData> oldList = app.getContactHelper().getContacts();
		
		// define test data
	    Random rnd = new Random();
		int contactIndex = rnd.nextInt(oldList.size()-1);

		// actions
		app.getContactHelper().modifyContact(contactIndex, contact);
		
		// save new state
		SortedListOf<ContactData> newList = app.getContactHelper().getContacts();
		
		// compare states
		assertThat(newList, equalTo(oldList.without(contactIndex).withAdded(contact)));
	  }
}
